結果

問題 No.3077 Goodstuff Deck Builder(Hard)
ユーザー tassei903
提出日時 2025-03-28 22:35:12
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 2,133 ms / 3,000 ms
コード長 1,102 bytes
コンパイル時間 450 ms
コンパイル使用メモリ 82,308 KB
実行使用メモリ 218,828 KB
最終ジャッジ日時 2025-03-28 22:35:48
合計ジャッジ時間 31,060 ms
ジャッジサーバーID
(参考情報)
judge5 / judge1
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 57
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

import sys
input = lambda :sys.stdin.readline()[:-1]
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
yes = lambda :print("yes");Yes = lambda :print("Yes");YES = lambda : print("YES")
no = lambda :print("no");No = lambda :print("No");NO = lambda : print("NO")
#######################################################################
n, m = na()
cd = [na() for i in range(n)]
cd = sorted(cd, key = lambda x:-x[0])
c, d = zip(*cd)
N = 23
inf = 10 ** 18
# inf = float("inf")
dp = [[-inf for j in range((m>>i) + 1)] for i in range(N)]
dp[0][0] = 0
A = 0
for i in range(n):
if c[i] == 0:
A += d[i]
continue
for j in range(N-2, -1, -1):
C = c[i]
D = d[i]
k = 0
Z = (m >> j & 1 == 0)
for k in range(len(dp[j+1]) * 2 - C - Z-1, -1, -1):
if dp[j][k] == -inf:
continue
z = (k + C + Z) // 2
dp[j+1][z] = max(dp[j+1][z], dp[j][k] + D)
# for i in dp:
# print(*i)
# print()
ans = -inf
for i in range(N):
ans = max(ans, max(dp[i]))
# print(z)
print(ans + A)
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